Invisible Hand Alternatives

Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.

KAYAK is a travel search engine that searches hundreds of other travel sites at once. Our helpful tools & features find you the information you need to make the right decisions on flights, hotels, rental cars and vacation packages.

Find cheap flights with Momondo.

Find cheap flights in seconds, explore destinations on a map, and sign up for fare alerts on Google Flights.

Find and book the best low-cost flights all around the world

When viewing a product on Amazon, Price Snoop will show you just how much it costs on the other...

Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.

Save up to 60% with Expedia Mobile Exclusive hotel deals!

Easily monitor Amazon product prices and get alerts when they drop.

Price history charts and the option to be alerted on price drops for all Amazon sites.

Plan your European trip and find the cheapest possible combinations of flights with Flightics.

Use the Shoptimate extensions to compare the price without any click. When you browse an item on a online store, a bar shows up at the top to tell you if the exact same item can be found cheaper elsewhere. Including shipping costs

Skiplagged is an airfare search engine for cheap flights, showing hidden-city ticketing trips in addition to what sites like Expedia, KAYAK, and Travelocity show you. Save up to 80% on airfare today!